1. thralldom, enthrallment. Slavery,bondage,servitude refer to involuntary subjection to another or others. Slavery emphasizes the idea of complete ownership and control by a master: to be sold into slavery.Bondage indicates a state of subjugation or captivity often involving burdensome and degrading labor: in bondage to a cruel master.Servitude is compulsory service, often such as is required by a legal penalty: penal servitude.4. moil, labor.